SN

Shigeaki Nakazawa

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Overall (All Time): #640,004 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9979293 Power source apparatus having switching regulators opposite in phase 2018-05-22
8433932 Power circuit, information processing apparatus, and power control method based on fixed frequency characteristic of control signal 2013-04-30
8076915 Switching converter 2011-12-13
7492135 Switching converter Mitsuo Saeki, Kouichi Matsuda 2009-02-17
6940737 Power supply control method Hidetoshi Yano, Hidekiyo Ozawa, Mitsuo Saeki, Kouichi Matsuda, Shigeo Tanaka 2005-09-06
6909619 Spike control apparatus for DC-DC converter Mitsuo Saeki, Kouichi Matsuda 2005-06-21
6639812 Power supply control circuit that adjusts output power based on variable input power Hidetoshi Yano, Hidekiyo Ozawa, Mitsuo Saeki, Kouichi Matsuda, Shigeo Tanaka 2003-10-28
6366475 Power control method and circuit, and power supply unit Hidetoshi Yano, Shigeo Tanaka, Hidekiyo Ozawa 2002-04-02